.discount{
    margin-left: 20px;
}
.loading{
    margin: 500px;
    text-align: center;
}
.title{
    font-size: 20px;
    font-weight: bold;
}
.tips{
    width: 100%;
    height: 30px;
    margin: 20px 0px;
    line-height: 30px;
    background-color: #eee;
    color: skyblue;
}
.add{
    width: 100px;
    height: 40px;
    line-height: 40px;
    background-color: #01C854;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}